Wordnet 3.0
NOUN (1)
1. 
 a beta blocker (trade name Blocadren) administered after heart attacks; 
[syn: timolol, Blocadren]
WordNet (r) 3.0 (2006):
timolol
    n 1: a beta blocker (trade name Blocadren) administered after
         heart attacks [syn: timolol, Blocadren]